Fix a bug in update and generalize the 'check' predicate to be a simple shorthand to bind the box into something

This commit is contained in:
Tissevert 2021-01-15 11:11:26 +01:00
parent 0ff9052a81
commit f4c6eef2cd
1 changed files with 6 additions and 6 deletions

View File

@ -15,15 +15,15 @@ Box.prototype.set = function(newValue) {
}.bind(this);
};
Box.prototype.check = function(predicate) {
return function(f) {
predicate(this.value)(f);
}
Box.prototype.use = function(f) {
return function(g) {
f(this.value)(g);
}.bind(this);
};
Box.prototype.update = function(modifier) {
return function(f) {
modifier(this.value)(function (newValue) {this.value = newValue; f()});
modifier(this.value)(function (newValue) {this.value = newValue; f()}.bind(this));
}.bind(this);
};
@ -36,7 +36,7 @@ function make(initValue) {
return {
get: box.get.bind(box),
set: box.set.bind(box),
check: box.check.bind(box),
use: box.use.bind(box),
update: box.update.bind(box),
};
}